This study aim was Construction of height-weight growth charts for 2-18 year old boys in Qayenat City and comparison with NCHS standard height-weight growth charts. The research methodology was descriptive and the data was collected via field procedure. The population of the study consisted of 2-18 year old boys in both urban and rural areas of Qayenat City, which were estimated to be 31353 people. In order to select the participants, Qayenat City was first divided into four regions so that all regions (clusters) were relatively similar in terms of climatic, economic and cultural conditions. Based on administrative divisions, Qayenat City is divided into four regions which relatively account for these similarities. Subsequently, schools, healthcare centers and classes were randomly selected. The sample size was determined using Morgan table (N=3200). In order to collect the data, the researcher along with eight interns of healthcare centers formed two teams and referred to the selected schools to measure the height and weight of the participants. Descriptive statistics including measures of central tendency and variability, frequency were used to analyze the data. The results showed that the height and weight percentiles of 2- 18 year old boys in Qayenat City were below the respective weight percentiles of NCHS standard at all age levels.
